<?php

class CompetencyLibraryController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view','findElementId'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update','dynamicElement'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
			'content'=>$this->getContentId($id),
		));
	}

	public function getContentId($id)
	{       
		$criteria=new CDbCriteria;// only select the 'title' column
		$criteria->condition='COMP_LIB_CODE=:COMP_LIB_CODE';
		$criteria->params=array(':COMP_LIB_CODE'=>$id);

		$element=new CActiveDataProvider('CompetencyContent', array(
		    'pagination'=>array(
			'pageSize'=>3,
		    ),
		    'criteria'=>$criteria,
		));
		
		return $element;
	}
	
	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new CompetencyLibrary;

		// Uncomment the following line if AJAX validation is needed
		 $this->performAjaxValidation($model);

		if(isset($_POST['CompetencyLibrary']))
		{
			$model->attributes=$_POST['CompetencyLibrary'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->COMP_LIB_CODE));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['CompetencyLibrary']))
		{
			$model->attributes=$_POST['CompetencyLibrary'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->COMP_LIB_CODE));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('CompetencyLibrary');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new CompetencyLibrary('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['CompetencyLibrary']))
			$model->attributes=$_GET['CompetencyLibrary'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=CompetencyLibrary::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');			
		return $model;
		
		if (isset($id))
               // NOTE 'with()'
               $this->_model=CompetencyLibrary::model()->with('CompetencyElement')->findbyPk($id); 
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='competency-library-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	public function actionFindElementId() {
			$q = $_GET['term'];
			   if (isset($q)) {
				   $criteria = new CDbCriteria;
					//$criteria->condition='COMP_LIB_CODE=:COMP_LIB_CODE';
					//$criteria->params=array(':COMP_LIB_CODE'=>$id);
				   //condition to find your data, using q as the parameter field
				   //$criteria->condition = '...', 
				   //$criteria->order = '...'; // correct order-by field
				   //$criteria->limit = ...; // probably a good idea to limit the results
				   // with trailing wildcard only; probably a good idea for large volumes of data
				   //$criteria->condition='COMP_UNIT_CODE=:COMP_UNIT_CODE';
				   $criteria->params = array(':COMP_UNIT_CODE' => '%'.trim($q).'%'); 
				   $CompetencyElement = CompetencyElement::model()->findAll($criteria);
		 
				   if (!empty($CompetencyElement)) {
					   $out = array();
					   foreach ($CompetencyElement as $p) {
						   $out[] = array(
							   // expression to give the string for the autoComplete drop-down
							   'label' => $p->ElementCodeAndUnit,  
							   'value' => $p->ElementCodeAndUnit,
							   'id' => $p->COMP_ELEM_CODE, // return value from autocomplete
						   );
					   }
					   echo CJSON::encode($out);
					   Yii::app()->end();
				   }
			   }
   }
   
	public function actionDynamicElement()
	{
		$data=CompetencyElement::model()->findAll('COMP_UNIT_CODE=:COMP_UNIT_CODE', 
					  array(':COMP_UNIT_CODE'=>$_POST['CompetencyLibrary']['COMP_UNIT_CODE']));
	 
		$data=CHtml::listData($data,'COMP_ELEM_CODE','COMP_ELEM_CODE');
		foreach($data as $value=>$name)
		{
			echo CHtml::tag('option',
					   array('value'=>$value),CHtml::encode($name),true);
		}
	}
	
	
}
